• Aggregation in MongoDB Aggregation in MongoDB
    Aggregation can be understood as aggregation. The Aggregation operation handles data records and returns calculated results. The operations group the values ​​from multiple...
  • ObjectId in MongoDB ObjectId in MongoDB
    You have seen the use of MongoDB ObjectId in previous chapters. In this chapter, we will understand the structure of ObjectId....
  • Replica Set in MongoDB Replica Set in MongoDB
    Replication is the process of synchronizing data from multiple servers. Replication provides redundancy and increased data availability for multiple data copies on many different...
  • Shard in MongoDB Shard in MongoDB
    Sharding is a process of storing data records across multiple devices and it is a method of MongoDB to meet the requirement for increasing data. When the size of the data...
  • Create Backup in MongoDB Create Backup in MongoDB
    To create a database Backup in MongoDB, you should use the mongodump command. This command will dump all Server data into dump directory. There are many options available from...
  • MongoDB Deployment MongoDB Deployment
    When you are preparing a MongoDB Deployment, you should understand how your application is being supported in Production....
  • Relationship in MongoDB Relationship in MongoDB
    Relationship in MongoDB represents how the Documents are related. Relationship can be modeled through the Embeded and Referenced method....
  • Reference Database in MongoDB Reference Database in MongoDB
    As shown in the Relationship chapter in MongoDB, to deploy a standardized database structure in MongoDB, we use the Referenced Relationship concept, also known as Manual...
  • Covered Query in MongoDB Covered Query in MongoDB
    When all fields in the query are part of the index, MongoDB connects query conditions and returns the result by using the same index without looking inside the Document. When...
  • Query analysis in MongoDB Query analysis in MongoDB
    Analyzing queries is a very important aspect to assess the effectiveness of Database and the effectiveness of the designed index. We will explore the two most frequently used...
  • Atomic Operation in MongoDB Atomic Operation in MongoDB
    MongoDB does not support Atomic Transaction over multiple Documents. However, it provides Atomic Operations on a single Document. Therefore, if a Document has hundreds of fields,...
  • Advanced index operation in MongoDB Advanced index operation in MongoDB
    Create an index on the array ie create separate indexes for each of its fields. So in this situation, when we create an index on the array of tags, individual indexes will be...
  • Limitations of indexes in MongoDB Limitations of indexes in MongoDB
    Each index not only occupies part of the memory space but also causes an overhead on each insert, update, and delete operation. So, if you rarely use your Collection for read...
  • Map Reduce in MongoDB Map Reduce in MongoDB
    In MongoDB Documentation, Map-Reduce is a data processing system that condenses a large amount of data into useful overall results. MongoDB uses mapReduce command for Map-Reduce...
  • Text Search in MongoDB Text Search in MongoDB
    Starting with version 2.4, MongoDB started supporting Text Indexes to search within the string content....
  • Regular Expression in MongoDB Regular Expression in MongoDB
    Regular Expression is used frequently in all languages ​​to search for a pattern or a word in any string. MongoDB also provides Regular Expression to match Pattern matching in...
  • Working with Rockmongo Working with Rockmongo
    Rockmongo is a MongoDB management tool. Using it, you can manage your Server, Database, Collection, Document, Index, .... It provides a very friendly way for users to read, write...
  • Auto-Increment Sequence in MongoDB Auto-Increment Sequence in MongoDB
    MongoDB does not have the auto-increment out-of-the-box feature like SQL Database. By default, it uses a 12-byte ObjectId for the _id field as the Primary key to uniquely identify...
  • GridFS in MongoDB GridFS in MongoDB
    GridFS is the MongoDB Specification for storing and collecting large files such as images, audio, video files, etc. It is a type of file system to store files but its data is...
  • Capped Collection in MongoDB Capped Collection in MongoDB
    Capped collections are fixed-sized Circular Collection that follow the insert order to enhance the performance of create, read, and delete operations....